lambda: substitute lambda type with functional interface type

2026-09-09 20:42:52 +07:00 · 2012-08-31 15:34:19 +04:00
parent aeda4a6bc4
commit 30dcf05e59
1 changed files with 3 additions and 1 deletions
@@ -71,6 +71,8 @@ public class PsiTypeVisitor<A> {
  @Nullable
  public A visitLambdaExpressionType(PsiLambdaExpressionType lambdaExpressionType) {
    final PsiLambdaExpression lambdaExpression = lambdaExpressionType.getExpression();
-    return visitType(lambdaExpression.getFunctionalInterfaceType());
+    final PsiType interfaceType = lambdaExpression.getFunctionalInterfaceType();
+    if (interfaceType != null) return interfaceType.accept(this);
+    return visitType(interfaceType);
  }
 }